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Basic Dimensioning and Tolerancing - Mercer University

Basic Dimensioning and Tolerancing Dr. Hodge Jenkins MAE 205 Important Elements of Dimensioning Dimension locations Dimensions and all text are ALWAYS horizontal Size and Location of Features Dimension features in the view best seen. Dimension Examples Slotted holes may be dimensioned In several ways Dimension Line Spacing Dimension Locations NO NO YES Dimension out part boundary YES Dimensions and all text are ALWAYS horizontal NO Grouping of Dimensions Grouped dimension Diameter Features Diameter Features Dimensioning Slots Dimensioning Consideration Tolerancing Threads and threaded fasteners

expense to the fabrication of a product, caused premature failure, or, in some cases, caused loss of life. The primary guideline is clarity: Whenever two guidelines appear to conflict, the method that most clearly communicates the A. Correct Figure 4.23 Avoid Overdimensioning B. Avoid Double dimensioning can cause problems because of tolerancing.

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Transcription of Basic Dimensioning and Tolerancing - Mercer University

1 Basic Dimensioning and Tolerancing Dr. Hodge Jenkins MAE 205 Important Elements of Dimensioning Dimension locations Dimensions and all text are ALWAYS horizontal Size and Location of Features Dimension features in the view best seen. Dimension Examples Slotted holes may be dimensioned In several ways Dimension Line Spacing Dimension Locations NO NO YES Dimension out part boundary YES Dimensions and all text are ALWAYS horizontal NO Grouping of Dimensions Grouped dimension Diameter Features Diameter Features Dimensioning Slots Dimensioning Consideration Tolerancing Threads and threaded fasteners


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